diff --git a/fontspec-code-feat-opentype.dtx b/fontspec-code-feat-opentype.dtx
index 4ffc5cd..5fbd797 100644
--- a/fontspec-code-feat-opentype.dtx
+++ b/fontspec-code-feat-opentype.dtx
@@ -556,11 +556,11 @@
             \@@_warning:nx {language-not-exist} {#1}
             \clist_set:Nn \l_tmpa_clist {#2}
             \clist_get:NN \l_tmpa_clist \l_@@_lang_tl
-            \exp_args:Noo \@@_check_script:NnF \l_@@_fontface_cs_tl \l_@@_script_tl
+            \exp_args:Noo \@@_check_lang:NnF \l_@@_fontface_cs_tl \l_@@_lang_tl
               {
-                \tl_set:Nn \l_@@_script_name_tl {#1}
+                \tl_set:Nn \l_@@_lang_name_tl {#1}
                 \int_set:Nn \l_@@_language_int {\l_@@_strnum_int}
-                \tl_gset:Nx \g_@@_single_feat_tl { language=####1 }
+                \tl_gset:Nx \g_@@_single_feat_tl { language=\l_@@_lang_tl }
               }
           }
       }
diff --git a/fontspec-code-opentype.dtx b/fontspec-code-opentype.dtx
index 5a38be8..d78e0a8 100644
--- a/fontspec-code-opentype.dtx
+++ b/fontspec-code-opentype.dtx
@@ -216,7 +216,7 @@
 % The script used is whatever's held in \cmd\l_@@_script_int. By default, that's the
 % number corresponding to `|latn|'.
 %    \begin{macrocode}
-\prg_new_conditional:Nnn \@@_check_lang:Nn {TF}
+\prg_new_conditional:Nnn \@@_check_lang:Nn {TF,F}
   {
     \@@_check_lang:NnnTF #1 {#2} {\l_@@_script_tl} {\prg_return_true:} {\prg_return_false:}
   }
diff --git a/testfiles/script-lang-chinese.luatex.tlg b/testfiles/script-lang-chinese.luatex.tlg
new file mode 100644
index 0000000..7fd05ed
--- /dev/null
+++ b/testfiles/script-lang-chinese.luatex.tlg
@@ -0,0 +1,6 @@
+This is a generated file for the l3build validation system.
+Don't change this file in any respect.
+TU/FandolHei(0)/m/n:
+  [FandolHei-Regular.otf]:mode=node;script=hani;language=ZHS;+tlig;family=rm;
+***************
+Compilation 1 of test file completed with exit status 0
diff --git a/testfiles/script-lang-chinese.lvt b/testfiles/script-lang-chinese.lvt
new file mode 100644
index 0000000..5f73a6e
--- /dev/null
+++ b/testfiles/script-lang-chinese.lvt
@@ -0,0 +1,13 @@
+
+\input{fontspec-testsetup.tex}
+
+\usepackage[english]{babel}
+\babelfont[chinese]{rm}[
+  Extension=.otf,
+  UprightFont=*-Regular,
+  BoldFont=*-Bold
+]{FandolHei}
+
+\begin{document}
+\foreignlanguage{chinese}{你好世界\CURRNFSS}
+\end{document}
diff --git a/testfiles/script-lang-chinese.tlg b/testfiles/script-lang-chinese.tlg
new file mode 100644
index 0000000..b57c736
--- /dev/null
+++ b/testfiles/script-lang-chinese.tlg
@@ -0,0 +1,6 @@
+This is a generated file for the l3build validation system.
+Don't change this file in any respect.
+TU/FandolHei(0)/m/n:
+  "[FandolHei-Regular.otf]/OT:script=hani;language=ZHS;mapping=tex-text;"
+***************
+Compilation 1 of test file completed with exit status 0